module.exports=(err,ctx)=>{
    let status = 500
    switch (err.code){
        case '10001' :
            status = 400
        break
        case '10002' :
            status = 409
        break
        default:
            status = 500

    }
    ctx.status = status
    ctx.body = err
    // console.log('测试',ctx.status);
}